Mailgun
Email Service for Developers
Polymail
Power Email for Founders & Teams
Updated February 2026
| Mailgun | Polymail | |
|---|---|---|
| Rating | 5.0★ | 4.5★ |
| Reviews | 6 | 2 |
| Pros | 0 | 0 |
| FactScore™ | 42.3 | 21.5 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Mailgun — Pros
No unique pros listedBoth tools — Pros
—Only in Polymail — Pros
No unique pros listedOnly in Mailgun — Cons
—Both tools — Cons
—Only in Polymail — Cons
—Details
| Mailgun | Polymail | |
|---|---|---|
| Categories | Email clients, Automation tools, Email marketing | Email clients, Email marketing |
| Platforms | Web | Web · iOS |
| Became Popular | January 26, 2015 | December 7, 2015 |
| Website | www.mailgun.com | polymail.io |
Who Should Pick Which?
Choose Mailgun if...
- No unique pros listed
Choose Polymail if...
- No unique pros listed
With a FactScore™ of 42.3 vs 21.5, Mailgun leads in community reception. Mailgun uniquely offers No unique pros listed, while Polymail stands out for No unique pros listed.
What Users Say
Mailgun
Mailgun stands out for its robust email delivery infrastructure, high deliverability rates, and advanced analytics. It offers easy integration with powerful APIs, comprehensive email tracking, and ...
Shoutout to Mailgun for their powerful email API, which integrates seamlessly with MailTock to keep your transactional emails on track.
Email delivery we can actually rely on. Onboarding emails, waiting list notifications — all powered by Mailgun.
Polymail
Been using Polymail for about a month now and it’s honestly changed how I handle email. I wasn’t expecting much -- figured I’d test it for a week and bounce -- but I haven’t gone back. It’s got the...
It is the best out there with all needed features, but they have been slowing down on their new feature roll out. There are some stability issues as well
Related Comparisons
Frequently Asked Questions
Which is better, Mailgun or Polymail ?
Based on FactScore™, Mailgun leads with a score of 42.3 vs 21.5. Mailgun has a higher rating of 5.0★ compared to 4.5★.
What are the pros of Mailgun compared to Polymail ?
Mailgun uniquely offers: No unique pros listed.
What are the pros of Polymail compared to Mailgun?
Polymail uniquely offers: No unique pros listed.
Is Mailgun better rated than Polymail ?
Mailgun is rated 5.0★ from 6 reviews. Polymail is rated 4.5★ from 2 reviews.
What is the FactScore™ of Mailgun and Polymail ?
FactScore™ weighs rating and review volume together. Mailgun scores 42.3 and Polymail scores 21.5.
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